CN214394025U - Pin puller for support pin shaft - Google Patents

Abstract

The utility model discloses a support pin axle puller, including door type support and round pin axle bed body, fixedly connected with base on the inside wall that door type support is close to the lower extreme, fixedly connected with pulling pin mechanism on the top surface of door type support, the platform is placed to the upper end fixedly connected with of base. The utility model discloses an arrange round pin axle bed body in and place the bench, drive two grip blocks relative movement on bar open-ended gag lever post by servo motor, and fix round pin axle bed body centre gripping and place the bench, it is fixed to replace wire rope hoist and mount, avoid appearing the potential safety hazards such as bullet people and driving broken chain, insert through the round pin axle on the round pin axle bed body and locate the circular recess, twist and move two arcs that the bolt drove two rubber products and support the piece and the contact of offsetting of round pin axle, drive T type connecting block by hydraulic telescoping cylinder and go up and down under the limiting displacement of bar-shaped piece and spacing groove, thereby the round pin axle on the round pin axle bed body is pulled out, replace manual work, and the work efficiency is improved.

Description

Pin puller for support pin shaft

Technical Field

The utility model relates to a round pin axle puller technical field especially relates to support round pin axle puller.

Background

The main business of the comprehensive repair plant is to repair the hydraulic support, which is a four-bar mechanism connected by a pin shaft. As the pin shaft is larger and larger, the pin shaft is corroded in a wet environment in the pit, and the pin shaft is difficult to disassemble. When a large pin shaft is usually disassembled, a crane is used for hoisting a heavy object to impact the pin shaft, and the pin shaft is impacted little by little.

Above-mentioned mode of dismantling round pin axle has the drawback, if workman intensity of labour is big, work efficiency is low, and the potential safety hazard is many, and is using the in-process that the driving pulled out the round pin, and the occupation time is long, has wire rope and has the unsafe factor such as bullet people, driving chain breakage, provides the support round pin axle and pulls out the round pin ware now and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a support pin axle puller for there is the drawback in the above-mentioned mode of dismantling the round pin axle in the solution background art, it is big if workman intensity of labour, work efficiency is low, and the potential safety hazard is many, and at the in-process that uses the driving to pull out the round pin, and occupation time is long, has wire rope to have the technical problem of the unsafe factor such as bullet people, driving chain breakage.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

support round pin axle puller, including door type support and round pin axle bed body, fixedly connected with base on the inside wall that door type support is close to the lower extreme, fixedly connected with pulling pin mechanism on the top surface of door type support, the platform is placed to the upper end fixedly connected with of base, the upper end of placing the platform is arranged in to round pin axle bed body, the upper end of placing the platform and being close to the left and right sides all is equipped with fixture, fixture offsets with round pin axle bed body and contacts.

Preferably, the pin pulling mechanism includes that fixed mounting is located the hydraulic telescoping cylinder on the central point puts the top surface in the door type support, the vertical downward setting of lower extreme of hydraulic telescoping cylinder piston rod, the lower extreme fixedly connected with fixed block of hydraulic telescoping cylinder piston rod, the lower extreme of fixed block is equipped with the slot, the slot interpolation is equipped with T type connecting block, it is equipped with two fixing bolt to run through between both sides inner wall and the T type connecting block around the slot, the lower extreme of T type connecting block is equipped with the circular recess, the screw thread runs through on the annular inner wall of circular recess and is equipped with two bolts, two the equal threaded connection of one end that the bolt is located the circular recess has the arc to support the piece.

Preferably, the arc-shaped abutting block is made of rubber.

Preferably, equal fixedly connected with stopper on the left and right sides inner wall of door type support, two all be equipped with the spacing groove on the relative lateral wall of stopper, two the bottom of spacing groove all sets up with the lower extreme intercommunication of stopper, equal fixedly connected with strip-shaped piece on the both ends lateral wall about the fixed block, two the one end that the fixed block was kept away from to strip-shaped piece is inserted respectively and is located two spacing inslots.

Preferably, fixture is including setting up two cavities in placing the platform, two the cavity is close to respectively places the platform about both ends lateral wall setting, two all be equipped with the bar opening on the top surface of cavity, two the cavity is kept away from on the inner wall of round pin axle bed body equal level rotate run through be equipped with the lead screw, two the lead screw all is connected with the inner wall rotation of cavity, two the lead screw is located one of cavity and serves the equal screw and has cup jointed the grip block, two the grip block runs through both sides bar opening setting respectively and with round pin axle bed body about both ends lateral wall counterbalance contact, place the platform about on the both ends lateral wall equal fixed mounting have servo motor, the lead screw is located the outer one end of cavity and servo motor's drive shaft fixed connection.

Preferably, the inner walls of the left side and the right side of the strip-shaped opening are fixedly connected with limiting rods, and the limiting rods penetrate through the clamping blocks.

Compared with the prior art, the utility model, its beneficial effect does:

1. place the bench through arranging round pin axle bed body in, drive two grip blocks relative movement on the gag lever post in the bar opening by servo motor to fix round pin axle bed body centre gripping and place the bench, replace wire rope hoist and mount fixed, avoid appearing bullet people and potential safety hazards such as driving chain rupture.

2. Through inserting the round pin axle on the round pin axle bed body and locating in the circular slot, twist two bolts and move the arc of two rubber products and support the piece and support the contact with the round pin axle, drive T type connecting block by the hydraulic telescoping cylinder and go up and down under the limiting displacement of bar-shaped piece and spacing groove to the round pin axle on the round pin axle bed body is pulled out the round pin, replaces manual work, improves work efficiency.

Drawings

Fig. 1 is a perspective schematic view of a pin puller for a bracket pin shaft according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of an arc-shaped abutting block of the pin puller for the bracket pin shaft provided by the utility model;

fig. 4 is a schematic structural diagram of a limiting block of the pin puller for the bracket pin shaft provided by the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 1 at B;

fig. 6 is a schematic structural view of the pin puller for the support pin shaft according to the present invention.

In the figure: 1 door type support, 2 round pin axle bed bodies, 3 bases, 4 place the platform, 5 hydraulic telescoping cylinders, 6 fixed blocks, 7 slots, 8T type connecting block, 9 fixing bolt, 10 circular slot, 11 bolts, 12 arc support piece, 13 stopper, 14 spacing grooves, 15 bar-shaped blocks, 16 cavities, 17 bar-shaped openings, 18 lead screws, 19 clamping blocks, 20 servo motor, 21 gag lever post.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-6, support round pin axle puller, including door type support 1 and round pin axle bed body 2, fixedly connected with base 3 on the inside wall that door type support 1 is close to the lower extreme, fixedly connected with pulling pin mechanism on the top surface of door type support 1, pulling pin mechanism includes that fixed mounting is located the hydraulic telescoping cylinder 5 on the central point puts the top surface in door type support 1, and the model of hydraulic telescoping cylinder 5 is: HOB100 is 200, hydraulic telescoping cylinder 5 is used for driving fixed block 6 and T type connecting block 8 to go up and down, the lower extreme of 5 piston rods of hydraulic telescoping cylinder sets up down vertically, the lower extreme fixedly connected with fixed block 6 of 5 piston rods of hydraulic telescoping cylinder, the lower extreme of fixed block 6 is equipped with slot 7, slot 7 interpolation is equipped with T type connecting block 8, it is equipped with two fixing bolt 9 to run through between the front and back both sides inner wall of slot 7 and the T type connecting block 8, the lower extreme of T type connecting block 8 is equipped with circular slot 10, the screw thread runs through on the annular inner wall of circular slot 10 is equipped with two bolts 11, the equal threaded connection of one end that two bolts 11 are located circular slot 10 has arc to support piece 12, arc supports piece 12 and is the rubber products, it supports piece 12 and inserts the round pin axle of locating in circular slot 10 and carries out the centre gripping to twist bolt 11 and drive the arc of two rubber products, effectively fix the round pin axle in circular slot 10.

Equal fixedly connected with stopper 13 on the left and right sides inner wall of door type support 1, all be equipped with spacing groove 14 on two stopper 13's the relative lateral wall, two spacing groove 14's bottom all sets up with stopper 13's lower extreme intercommunication, equal fixedly connected with bar-shaped piece 15 on the both ends lateral wall about fixed block 6, two bar-shaped piece 15 keep away from the one end of fixed block 6 and insert respectively and locate two spacing grooves 14 in, platform 4 is placed to the upper end fixedly connected with of base 3, when round pin axle bed body 2 placed the upper end bar-shaped piece 15 of placing platform 4 and removed in spacing groove 14, can carry on spacingly to the removal of fixed block 6 and T type connecting block 8.

Place the upper end that platform 4 is close to the left and right sides and all be equipped with fixture, fixture offsets the contact with round pin axle bed body 2, fixture is including setting up two cavities 16 in placing platform 4, two cavities 16 are close to respectively and place platform 4 about both ends lateral wall setting, all be equipped with bar opening 17 on two cavities 16's the top surface, two cavities 16 keep away from on the inner wall of round pin axle bed body 2 equal level rotate run through and be equipped with lead screw 18, two lead screws 18 all rotate with the inner wall of cavity 16 and be connected, two lead screws 18 are located one of cavity 16 and serve equal screw and cup jointed grip block 19, two grip block 19 run through both sides bar opening 17 respectively and set up and offset the contact with round pin axle bed body 2 about both ends lateral wall, bar opening 17 can restrict grip block 19's moving range, place platform 4 about on the both ends lateral wall equal fixed mounting have servo motor 20, servo motor 20's model is: MSME-012G1, servo motor 20 is used for driving lead screw 18 and rotates, thereby make pivoted lead screw 18 drive the clutch blocks 19 that the screw thread cup jointed along gag lever post 21 horizontal migration on the bar opening 17, lead screw 18 is located the outer one end of cavity 16 and servo motor 20's drive shaft fixed connection, fixedly connected with gag lever post 21 on the left and right sides inner wall of bar opening 17, gag lever post 21 runs through the setting of clutch blocks 19, gag lever post 21 can prevent that clutch blocks 19 from rotating along with the rotation of lead screw 18.

When the utility model is used, the pin shaft seat body 2 which needs to be pulled out is arranged at the upper end of the placing platform 4, the servo motors 20 at the two sides of the placing platform 4 are started to drive the screw rods 18 to rotate, so that the two rotating screw rods 18 drive the clamping blocks 19 which are in threaded sleeve connection to horizontally move along the limiting rods 21 on the strip-shaped openings 17, the pin shaft seat body 2 is clamped and fixed on the placing platform 4 by the two clamping blocks 19 to replace the steel wire rope for hoisting and fixing, thereby avoiding potential safety hazards such as a marble and chain breakage of a crane, the T-shaped connecting block 8 is inserted into the slot 7 arranged on the fixed block 6 to be matched with the two fixing bolts 9 for fixing, the hydraulic stretching cylinder 5 is started to drive the fixed block 6 and the T-shaped connecting block 8 to descend under the limiting action of the limiting grooves 14 and the strip-shaped block 15 until the circular groove 10 on the T-shaped connecting block 8 descends to the pin shaft seat body 2, the pin shaft is inserted into the circular groove 10, twist two bolts 11 and drive two rubber products's arc and support piece 12 and the counterbalance contact of round pin axle, effectively fix the round pin axle in circular slot 10, restart hydraulic stretching jar 5 and drive fixed block 6 and T type connecting block 8 and rise to pin pulling is carried out to the round pin axle on the round pin axle bed body 2, replaces manual work, improves work efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Support round pin axle puller, including door type support (1) and round pin axle bed body (2), fixedly connected with base (3) on the inside wall that door type support (1) is close to the lower extreme, its characterized in that, fixedly connected with pulls out round pin mechanism on the top surface of door type support (1), platform (4) are placed to the upper end fixedly connected with of base (3), the upper end of placing platform (4) is arranged in to round pin axle bed body (2), the upper end of placing platform (4) and being close to the left and right sides all is equipped with fixture, fixture offsets with round pin axle bed body (2) and contacts.

2. The support pin puller according to claim 1, wherein the pin pulling mechanism comprises a hydraulic telescopic cylinder (5) fixedly mounted on the top surface of the door-shaped support (1) at the central position, the lower end of the piston rod of the hydraulic telescopic cylinder (5) is vertically arranged downwards, the lower end of the piston rod of the hydraulic telescopic cylinder (5) is fixedly connected with a fixed block (6), the lower end of the fixed block (6) is provided with a slot (7), a T-shaped connecting block (8) is inserted in the slot (7), two fixing bolts (9) are arranged between the inner walls of the front side and the rear side of the slot (7) and the T-shaped connecting block (8) in a penetrating way, the lower extreme of T type connecting block (8) is equipped with circular recess (10), the annular inner wall of circular recess (10) is gone up the screw thread and is run through and is equipped with two bolts (11), two the equal threaded connection of one end that bolt (11) are located circular recess (10) has arc to support piece (12).

3. The support pin puller according to claim 2, wherein the arc-shaped abutting block (12) is a rubber product.

4. The support pin shaft pin puller according to claim 2, wherein the inner walls of the left side and the right side of the door-shaped support (1) are fixedly connected with limit blocks (13), the opposite side walls of the two limit blocks (13) are respectively provided with limit grooves (14), the bottoms of the two limit grooves (14) are respectively communicated with the lower ends of the limit blocks (13), the side walls of the left end and the right end of the fixing block (6) are respectively fixedly connected with strip-shaped blocks (15), and one ends, far away from the fixing block (6), of the two strip-shaped blocks (15) are respectively inserted into the two limit grooves (14).

5. The support pin shaft pin puller according to claim 1, wherein the clamping mechanism comprises two cavities (16) arranged in the placing table (4), the two cavities (16) are respectively arranged close to the left and right side walls of the placing table (4), strip-shaped openings (17) are respectively arranged on the top surfaces of the two cavities (16), screw rods (18) are horizontally and rotatably arranged on the inner walls of the two cavities (16) far away from the pin shaft seat body (2) in a penetrating manner, the two screw rods (18) are respectively rotatably connected with the inner walls of the cavities (16), clamping blocks (19) are respectively sleeved on one ends of the two screw rods (18) in the cavities (16) in a threaded manner, the two clamping blocks (19) are respectively arranged in a penetrating manner through the strip-shaped openings (17) at the two sides and are abutted against the left and right side walls of the pin shaft seat body (2), servo motors (20) are respectively fixedly arranged on the left and right side walls of the placing table (4), one end of the screw rod (18) positioned outside the cavity (16) is fixedly connected with a driving shaft of the servo motor (20).

6. The support pin shaft pin puller according to claim 5, wherein limiting rods (21) are fixedly connected to the inner walls of the left side and the right side of the strip-shaped opening (17), and the limiting rods (21) penetrate through the clamping block (19).

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